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frontend/node_modules/oblivious-set/dist/es/index.d.ts

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+/**
+ * this is a set which automatically forgets
+ * a given entry when a new entry is set and the ttl
+ * of the old one is over
+ */
+export declare class ObliviousSet<T = any> {
+    readonly ttl: number;
+    readonly set: Set<unknown>;
+    readonly timeMap: Map<any, any>;
+    constructor(ttl: number);
+    has(value: T): boolean;
+    add(value: T): void;
+    clear(): void;
+}
+/**
+ * Removes all entries from the set
+ * where the TTL has expired
+ */
+export declare function removeTooOldValues(obliviousSet: ObliviousSet): void;
+export declare function now(): number;

frontend/node_modules/oblivious-set/dist/es/index.js

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+/**
+ * this is a set which automatically forgets
+ * a given entry when a new entry is set and the ttl
+ * of the old one is over
+ */
+var ObliviousSet = /** @class */ (function () {
+    function ObliviousSet(ttl) {
+        this.ttl = ttl;
+        this.set = new Set();
+        this.timeMap = new Map();
+    }
+    ObliviousSet.prototype.has = function (value) {
+        return this.set.has(value);
+    };
+    ObliviousSet.prototype.add = function (value) {
+        var _this = this;
+        this.timeMap.set(value, now());
+        this.set.add(value);
+        /**
+         * When a new value is added,
+         * start the cleanup at the next tick
+         * to not block the cpu for more important stuff
+         * that might happen.
+         */
+        setTimeout(function () {
+            removeTooOldValues(_this);
+        }, 0);
+    };
+    ObliviousSet.prototype.clear = function () {
+        this.set.clear();
+        this.timeMap.clear();
+    };
+    return ObliviousSet;
+}());
+export { ObliviousSet };
+/**
+ * Removes all entries from the set
+ * where the TTL has expired
+ */
+export function removeTooOldValues(obliviousSet) {
+    var olderThen = now() - obliviousSet.ttl;
+    var iterator = obliviousSet.set[Symbol.iterator]();
+    /**
+     * Because we can assume the new values are added at the bottom,
+     * we start from the top and stop as soon as we reach a non-too-old value.
+     */
+    while (true) {
+        var value = iterator.next().value;
+        if (!value) {
+            return; // no more elements
+        }
+        var time = obliviousSet.timeMap.get(value);
+        if (time < olderThen) {
+            obliviousSet.timeMap.delete(value);
+            obliviousSet.set.delete(value);
+        }
+        else {
+            // We reached a value that is not old enough
+            return;
+        }
+    }
+}
+export function now() {
+    return new Date().getTime();
+}
+//# sourceMappingURL=index.js.map

frontend/node_modules/oblivious-set/dist/es/index.js.map

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